Epson WorkForce ST-M3000 Monochrome MFP Supertank Printer - Manual (Page 292)

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Caution: Do not touch the flat white cable or translucent film inside the printer.
3. Close the printer cover until it clicks into place.
4. Follow the prompts on the LCD screen to clear any error messages. If you still see a paper jam
message, check the other paper jam solutions.
Parent topic: Solving Paper Problems
Paper Jam Problems in the Rear Cover
If you see a message that paper has jammed in the rear cover, follow the steps here.
1. Cancel the print job, if necessary.